Home / 55,686,863,854.89-76,849,728,362.78-31,276,575,784.17

Finding the Fourth Proportional to 55,686,863,854.89, 76,849,728,362.78 and 31,276,575,784.17

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Solution

The fourth proportional to 55,686,863,854.89, 76,849,728,362.78 and 31,276,575,784.17 is: 43,162,717,142.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,686,863,854.89 : 76,849,728,362.78 = 31,276,575,784.17 : x
  2. Step 2: Convert to fraction form
    55,686,863,854.89/76,849,728,362.78 = 31,276,575,784.17/x
  3. Step 3: Cross multiply
    55,686,863,854.89x = 76,849,728,362.78 × 31,276,575,784.17
  4. Step 4: Simplify right side
    55,686,863,854.89x = 2,403,596,353,130,983,325,696
  5. Step 5: Solve for x
    x = 2,403,596,353,130,983,325,696/55,686,863,854.89
  6. Step 6: Final answer
    x = 43,162,717,142.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.